{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:AZ54BORAZVTAYNGZN365AQAWKT","short_pith_number":"pith:AZ54BORA","canonical_record":{"source":{"id":"2406.01118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-03T08:58:40Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"5571119105d576930e04faf7d8d4ccb3d27cbfa82e57f3896d94db84c0589e23","abstract_canon_sha256":"da5a3cc5b514e2fa528a99e479bc7c639e286253669402e67b5b05c83935f088"},"schema_version":"1.0"},"canonical_sha256":"067bc0ba20cd660c34d96efdd0401654f63f071acf57929abd25036b5bf5fcdf","source":{"kind":"arxiv","id":"2406.01118","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.01118","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"arxiv_version","alias_value":"2406.01118v1","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.01118","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"pith_short_12","alias_value":"AZ54BORAZVTA","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"pith_short_16","alias_value":"AZ54BORAZVTAYNGZ","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"pith_short_8","alias_value":"AZ54BORA","created_at":"2026-07-05T08:26:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:AZ54BORAZVTAYNGZN365AQAWKT","target":"record","payload":{"canonical_record":{"source":{"id":"2406.01118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-03T08:58:40Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"5571119105d576930e04faf7d8d4ccb3d27cbfa82e57f3896d94db84c0589e23","abstract_canon_sha256":"da5a3cc5b514e2fa528a99e479bc7c639e286253669402e67b5b05c83935f088"},"schema_version":"1.0"},"canonical_sha256":"067bc0ba20cd660c34d96efdd0401654f63f071acf57929abd25036b5bf5fcdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:26:35.443878Z","signature_b64":"oZCt2iT9u8c8pPFJck1BN8Y3P9jIQziouCr3jtPVFqf5YNEyxvj0CCIyNApL617AYLX+uxi7/pvlaQHvKoZnDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"067bc0ba20cd660c34d96efdd0401654f63f071acf57929abd25036b5bf5fcdf","last_reissued_at":"2026-07-05T08:26:35.443489Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:26:35.443489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.01118","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:26:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KnMVkd1r5RCgzf0snuHocDqyRiM0aFIeXDUYmLDugSzN8YTVEUNDxY8aOB6HZfxItzN8XUXyCtvNd02t2Ju2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T06:21:15.762922Z"},"content_sha256":"ad9a5c0f4a63a2a9e5221c6622c493755939f8a6ddcf8a24d9a14b783e886679","schema_version":"1.0","event_id":"sha256:ad9a5c0f4a63a2a9e5221c6622c493755939f8a6ddcf8a24d9a14b783e886679"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:AZ54BORAZVTAYNGZN365AQAWKT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Carleman-Grad approach to the quantum simulation of fluids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"quant-ph","authors_text":"Claudio Sanavio, Enea Mauri, Sauro Succi","submitted_at":"2024-06-03T08:58:40Z","abstract_excerpt":"We discuss the Carleman linearization approach to the quantum simulation of classical fluids based on Grad's generalized hydrodynamics and compare it to previous investigations based on lattice Boltzmann and Navier-Stokes formulations. We show that the Carleman-Grad procedure exhibits intermediate properties between the two. Namely, convergence of the Carleman iteration over a few tens of timesteps and a potentially viable quantum circuit implementation using quantum linear algebra solvers. However, both features still need substantial improvements to yield a viable quantum algorithm for fluid"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.01118","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.01118/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:26:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JxMt4yKKFrc4vuWWlKVW3wgEtzzMdEK21PzoD2T09aVjcgDW05o3KlnDB9Fu9S9whhEDQ9tYEdK7dzOV8LUUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T06:21:15.763475Z"},"content_sha256":"08a06015352b4dceab2b3a6131e8e0d9008d66b376d370bd1198b002e4e56746","schema_version":"1.0","event_id":"sha256:08a06015352b4dceab2b3a6131e8e0d9008d66b376d370bd1198b002e4e56746"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AZ54BORAZVTAYNGZN365AQAWKT/bundle.json","state_url":"https://pith.science/pith/AZ54BORAZVTAYNGZN365AQAWKT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AZ54BORAZVTAYNGZN365AQAWKT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-18T06:21:15Z","links":{"resolver":"https://pith.science/pith/AZ54BORAZVTAYNGZN365AQAWKT","bundle":"https://pith.science/pith/AZ54BORAZVTAYNGZN365AQAWKT/bundle.json","state":"https://pith.science/pith/AZ54BORAZVTAYNGZN365AQAWKT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AZ54BORAZVTAYNGZN365AQAWKT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:AZ54BORAZVTAYNGZN365AQAWKT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"da5a3cc5b514e2fa528a99e479bc7c639e286253669402e67b5b05c83935f088","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-03T08:58:40Z","title_canon_sha256":"5571119105d576930e04faf7d8d4ccb3d27cbfa82e57f3896d94db84c0589e23"},"schema_version":"1.0","source":{"id":"2406.01118","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.01118","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"arxiv_version","alias_value":"2406.01118v1","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.01118","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"pith_short_12","alias_value":"AZ54BORAZVTA","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"pith_short_16","alias_value":"AZ54BORAZVTAYNGZ","created_at":"2026-07-05T08:26:35Z"},{"alias_kind":"pith_short_8","alias_value":"AZ54BORA","created_at":"2026-07-05T08:26:35Z"}],"graph_snapshots":[{"event_id":"sha256:08a06015352b4dceab2b3a6131e8e0d9008d66b376d370bd1198b002e4e56746","target":"graph","created_at":"2026-07-05T08:26:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.01118/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We discuss the Carleman linearization approach to the quantum simulation of classical fluids based on Grad's generalized hydrodynamics and compare it to previous investigations based on lattice Boltzmann and Navier-Stokes formulations. We show that the Carleman-Grad procedure exhibits intermediate properties between the two. Namely, convergence of the Carleman iteration over a few tens of timesteps and a potentially viable quantum circuit implementation using quantum linear algebra solvers. However, both features still need substantial improvements to yield a viable quantum algorithm for fluid","authors_text":"Claudio Sanavio, Enea Mauri, Sauro Succi","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-03T08:58:40Z","title":"Carleman-Grad approach to the quantum simulation of fluids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.01118","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:ad9a5c0f4a63a2a9e5221c6622c493755939f8a6ddcf8a24d9a14b783e886679","target":"record","created_at":"2026-07-05T08:26:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"da5a3cc5b514e2fa528a99e479bc7c639e286253669402e67b5b05c83935f088","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-03T08:58:40Z","title_canon_sha256":"5571119105d576930e04faf7d8d4ccb3d27cbfa82e57f3896d94db84c0589e23"},"schema_version":"1.0","source":{"id":"2406.01118","kind":"arxiv","version":1}},"canonical_sha256":"067bc0ba20cd660c34d96efdd0401654f63f071acf57929abd25036b5bf5fcdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"067bc0ba20cd660c34d96efdd0401654f63f071acf57929abd25036b5bf5fcdf","first_computed_at":"2026-07-05T08:26:35.443489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:26:35.443489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oZCt2iT9u8c8pPFJck1BN8Y3P9jIQziouCr3jtPVFqf5YNEyxvj0CCIyNApL617AYLX+uxi7/pvlaQHvKoZnDA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:26:35.443878Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.01118","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad9a5c0f4a63a2a9e5221c6622c493755939f8a6ddcf8a24d9a14b783e886679","sha256:08a06015352b4dceab2b3a6131e8e0d9008d66b376d370bd1198b002e4e56746"],"state_sha256":"5107f429cc2af8efe23b15d6128b593af7b64e559127e5450fec30bd6728d20c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c2Tqy3cOOMhzQF8KuHk+Pu/myHXJ0a/DHfG4wzhXK3rrK9CZ7mXsTKb5PiaaWIhWEq+wXGVHPclLm7obabtZAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T06:21:15.768819Z","bundle_sha256":"eda6afa78c5bdb8748d15e0049883ef254c00d501b37e21172527c4e1384e045"}}